Sanitation
| Wed 05 Aug 2026
Geneva, Aug. 5 -- Changi Airport Group Singapore Pte Ltd has sought patent for Toilet Bowl Cleaning System. This invention was developed by Marty Viviane, Tee Yam Pheng, Teo Ling Ling Grace, Lin Junsheng, Goh Swee Kang Jayson, Leo Hong Liang Jerrick, Tay How Ngee Alphonsus, Lye Tsui Fen, Hamid Abdul Hakim Bin, Lai Shupeng, Tan J..